_:Ba20f70d24be024b9f99fbce55a3a7302 . "Bogdanow, A.A." . . . "Bogdanov, Aleksej Alekseevič" . "Bogdanov" . . "A.A." . "Bogdanoff, A.A." . "Bogdanov, A.A. (1907- ; geoloog)" . "1907"^^ . "A.A. Bogdanov" . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 "2023-05-22"^^ . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 "071401520" . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 . _:Ba20f70d24be024b9f99fbce55a3a7302 .